RT Journal Article SR Electronic T1 A Review of 938 Gastroscopic Examinations JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 119 OP 122 VO 9 IS 3 A1 Renshaw, R. J. F. YR 1942 UL http://www.ccjm.org/content/9/3/119.abstract AB